diff --git a/COPYRIGHT b/COPYRIGHT
index 35fecd84..524605f6 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -11,9 +11,9 @@ the Free Software Foundation, either version 3 of the License, or
 
 The GNU General Public License version 3 is provided in LICENSE.
 
-Policy material adapted from Standard Repository Policies remains licensed
-under CC-BY-SA-4.0. See docs/oss/attribution.md for the affected material,
-upstream credit, and license links.
+Policy material copied or adapted from Standard Repository Policies remains
+licensed under CC-BY-SA-4.0. See docs/oss/attribution.md for the affected
+portions, upstream credit, and license links.
 
 Notarius is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/docs/oss/attribution.md b/docs/oss/attribution.md
index 7d5821df..24062b58 100644
--- a/docs/oss/attribution.md
+++ b/docs/oss/attribution.md
@@ -132,7 +132,7 @@ Copyright 2025 The go-yaml Project Contributors
 
 SPDX-License-Identifier: MIT AND Apache-2.0
 
-License and notices: [MIT](licenses/MIT-go-yaml-v4.txt) |
+License and notices: [MIT](licenses/MIT-Kirill-Simonov.txt) |
 [Apache 2.0](licenses/Apache-2.0.txt) |
 [LICENSE](https://github.com/yaml/go-yaml/blob/1c17b9cee72bf81ae73a8be50fbd7dd3a9985125/LICENSE) |
 [NOTICE](https://github.com/yaml/go-yaml/blob/1c17b9cee72bf81ae73a8be50fbd7dd3a9985125/NOTICE).
diff --git a/docs/oss/licenses/MIT-go-yaml-v4.txt b/docs/oss/licenses/MIT-go-yaml-v4.txt
deleted file mode 100644
index dc2a0b49..00000000
--- a/docs/oss/licenses/MIT-go-yaml-v4.txt
+++ /dev/null
@@ -1,19 +0,0 @@
-Copyright (c) 2006-2010 Kirill Simonov
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
-of the Software, and to permit persons to whom the Software is furnished to do
-so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
diff --git a/docs/policy/oss.md b/docs/policy/oss.md
index ee0de75e..6f725a04 100644
--- a/docs/policy/oss.md
+++ b/docs/policy/oss.md
@@ -50,8 +50,7 @@ license texts locally as specified above.
 ## Project Licensing
 
 Notarius's selected application grant is `GPL-3.0-or-later`, recorded in
-[COPYRIGHT](../../COPYRIGHT). Its [release runbook](../release.md) describes
-source-only publication alongside the public repository.
+[COPYRIGHT](../../COPYRIGHT).
 
 Unless the author specifies otherwise, use **GPL version 3 or later**
 (`GPL-3.0-or-later`) for applications and **LGPL version 3 or later**
diff --git a/docs/roadmap/implementation.md b/docs/roadmap/implementation.md
index df29bffd..5238d5dd 100644
--- a/docs/roadmap/implementation.md
+++ b/docs/roadmap/implementation.md
@@ -274,6 +274,8 @@ solely for documentation changes.
 
 ## Stage 6 — Verify The Complete Adoption
 
+**Status:** Complete (2026-09-28).
+
 **Goal:** Perform the cross-document check and correct scoped documentation
 defects. One prompt; no fresh feature work or automated policy-sync system.